CITGO takes pride in helping our neighbors where we live and work.CITGO takes pride in helping our neighbors where we live and work.
The 1900s
Indian Territory Illuminating Oil Company
1901 Indian Territory Illuminating Oil Company, (ITIO) a predecessor to Cities Service, is formed
1904 Oil produced from the Indian Territory Illuminating Oil Company Lease reaches four million barrels
1908 Model-T Ford introduced
1909 Robert Peary reaches the North Pole

CITGO History

Through The Decades
The 1900s
The 1910s
The 1920s
The 1930s
The 1940s
The 1950s
The 1960s
The 1970s
The 1980s
The 1990s
The 2000s


 Text Color Key
Black Text =
Historical Events

Green Text =
Cities Service Historical Events